APA
Philippines, . (1995). Standard operating procedures for the administrative issuance system 1995. Manila: DOH.
Chicago
Philippines, . 1995. Standard operating procedures for the administrative issuance system 1995. Manila: DOH.
Harvard
Philippines, . (1995). Standard operating procedures for the administrative issuance system 1995. Manila: DOH.
MLA
Philippines, . Standard operating procedures for the administrative issuance system 1995. Manila: DOH. 1995.